On 09/03/2015 04:44 PM, Richard Henderson wrote:
That's patch 7/17. ;-)
Woops , I just realized ;-)
R0 is not an *architectural* zero. It's a software convention. The
spec is fairly clear on this point.
I agree that there ought to be some special-casing of the software
convention, but
On 09/03/2015 07:16 AM, Bastian Koppelmann wrote:
On 09/03/2015 02:17 AM, Richard Henderson wrote:
+
+void HELPER(ove)(CPUOpenRISCState *env, target_ulong test)
+{
+if (unlikely(test) && (env->sr & SR_OVE)) {
+OpenRISCCPU *cpu = openrisc_env_get_cpu(env);
+CPUState *cs = CP
On 09/03/2015 02:17 AM, Richard Henderson wrote:
+
+void HELPER(ove)(CPUOpenRISCState *env, target_ulong test)
+{
+if (unlikely(test) && (env->sr & SR_OVE)) {
+OpenRISCCPU *cpu = openrisc_env_get_cpu(env);
+CPUState *cs = CPU(cpu);
+
+cs->exception_index = EXCP_RANGE
Simplify overflow calculation. Move overflow exception check
to a helper function, to eliminate inline branches.
Signed-off-by: Richard Henderson
---
target-openrisc/exception_helper.c | 12 ++
target-openrisc/helper.h | 1 +
target-openrisc/translate.c| 426 +++
